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NATS Service

Download, Extract, and Create Config​

Download NATS​

Start by downloading NATS from the NATS GitHub page. Click the latest release listed on the right hand side. At the time of this wiki the latest version is nats-server-v2.10.22-windows-amd64.zip and it will be used as an example in this guide.

nats-latest

Extract​

Now that NATS is downloaded, extract the files. Create a new folder at the path C:\nats and move the extracts contents to it.

Config​

Autonomys needs to have a parameter passed in via a config file, so open up Notepad and paste in the following

max_payload: 2MB

Then click "Save As" and name it "nats.conf". Then select the dropdown for "All Files" and click "Save".

nats-conf

Download NSSM​

If NSSM is not already downloaded (it is used in the Prometheus wiki) then navigate to the Builds Page for NSSM and download the latest build.

Extract​

Extract the contents. Create a folder at the path C:\nssm and move the extracted contents there. You only need the nssm.exe that is located in the win64 folder.

Create NATS Service​

Move to NSSM Directory​

Now open a Terminal with Admin privileges by right clicking on the Windows menu and selecting "Terminal (Admin)". Then navigate to the NSSM folder

cd C:\nssm

Create the Service​

Then create the Prometheus service with NSSM

.\nssm.exe install NATS

nats-cli

Configure the NATS service in the NSSM Configuration Window

nats-nssm

  • For the Path field, select C:\nats\nats-server
  • In the Startup directory, enter C:\nats
  • In the Arguments field specify the config. If you want to also specify a custom port (defaul is 4222) then add -p <PORT> as well.
-c "C:\nats\nats.conf"

Then click Install service. You should get a message that "Service NATS installed successfully".

Start NATS​

Start NATS Service​

Open up the Services console by searching for services.msc in the Start menu. Find the "NATS" service, right-click, and then select Start. Make sure the startup type is "Automatic" if you want Prometheus to start on boot.

nats-service

NATS should now be running and can be used for you Autonomys cluster.